1 /* 2 * Copyright (c) 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Copyright (C) 2017 THL A29 Limited, a Tencent company. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 4. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * Derived from FreeBSD's sbin/sysctl/sysctl.c. 33 */ 34 35 #ifndef lint 36 static const char copyright[] = 37 "@(#) Copyright (c) 1993\n\ 38 The Regents of the University of California. All rights reserved.\n"; 39 #endif /* not lint */ 40 41 #ifndef lint 42 #if 0 43 static char sccsid[] = "@(#)from: sysctl.c 8.1 (Berkeley) 6/6/93"; 44 #endif 45 static const char rcsid[] = 46 "$FreeBSD$"; 47 #endif /* not lint */ 48 49 #ifndef FSTACK 50 #include <sys/param.h> 51 #include <sys/time.h> 52 #include <sys/resource.h> 53 #include <sys/stat.h> 54 #include <sys/sysctl.h> 55 #include <sys/vmmeter.h> 56 57 #ifdef __amd64__ 58 #include <sys/efi.h> 59 #include <machine/metadata.h> 60 #endif 61 62 #if defined(__amd64__) || defined(__i386__) 63 #include <machine/pc/bios.h> 64 #endif 65 66 #endif 67 68 #include <assert.h> 69 #include <ctype.h> 70 #include <err.h> 71 #include <errno.h> 72 #include <inttypes.h> 73 #include <locale.h> 74 #include <stdio.h> 75 #include <stdlib.h> 76 #include <string.h> 77 #include <sysexits.h> 78 #include <unistd.h> 79 80 #ifdef FSTACK 81 #include <time.h> 82 #include <limits.h> 83 84 #include "sys/sysctl.h" 85 #include "ff_ipc.h" 86 87 struct clockinfo { 88 int hz; /* clock frequency */ 89 int tick; /* micro-seconds per hz tick */ 90 int spare; 91 int stathz; /* statistics clock frequency */ 92 int profhz; /* profiling clock frequency */ 93 }; 94 95 struct loadavg { 96 __uint32_t ldavg[3]; 97 long fscale; 98 }; 99 100 /* Structure extended to include extended attribute field in ACPI 3.0. */ 101 struct bios_smap_xattr { 102 u_int64_t base; 103 u_int64_t length; 104 u_int32_t type; 105 u_int32_t xattr; 106 } __packed; 107 108 /* systemwide totals computed every five seconds */ 109 struct vmtotal { 110 int16_t t_rq; /* length of the run queue */ 111 int16_t t_dw; /* jobs in ``disk wait'' (neg priority) */ 112 int16_t t_pw; /* jobs in page wait */ 113 int16_t t_sl; /* jobs sleeping in core */ 114 int16_t t_sw; /* swapped out runnable/short block jobs */ 115 int32_t t_vm; /* total virtual memory */ 116 int32_t t_avm; /* active virtual memory */ 117 int32_t t_rm; /* total real memory in use */ 118 int32_t t_arm; /* active real memory */ 119 int32_t t_vmshr; /* shared virtual memory */ 120 int32_t t_avmshr; /* active shared virtual memory */ 121 int32_t t_rmshr; /* shared real memory */ 122 int32_t t_armshr; /* active shared real memory */ 123 int32_t t_free; /* free memory pages */ 124 }; 125 126 struct efi_md { 127 uint32_t md_type; 128 #define EFI_MD_TYPE_NULL 0 129 #define EFI_MD_TYPE_CODE 1 /* Loader text. */ 130 #define EFI_MD_TYPE_DATA 2 /* Loader data. */ 131 #define EFI_MD_TYPE_BS_CODE 3 /* Boot services text. */ 132 #define EFI_MD_TYPE_BS_DATA 4 /* Boot services data. */ 133 #define EFI_MD_TYPE_RT_CODE 5 /* Runtime services text. */ 134 #define EFI_MD_TYPE_RT_DATA 6 /* Runtime services data. */ 135 #define EFI_MD_TYPE_FREE 7 /* Unused/free memory. */ 136 #define EFI_MD_TYPE_BAD 8 /* Bad memory */ 137 #define EFI_MD_TYPE_RECLAIM 9 /* ACPI reclaimable memory. */ 138 #define EFI_MD_TYPE_FIRMWARE 10 /* ACPI NV memory */ 139 #define EFI_MD_TYPE_IOMEM 11 /* Memory-mapped I/O. */ 140 #define EFI_MD_TYPE_IOPORT 12 /* I/O port space. */ 141 #define EFI_MD_TYPE_PALCODE 13 /* PAL */ 142 uint32_t __pad; 143 uint64_t md_phys; 144 void *md_virt; 145 uint64_t md_pages; 146 uint64_t md_attr; 147 #define EFI_MD_ATTR_UC 0x0000000000000001UL 148 #define EFI_MD_ATTR_WC 0x0000000000000002UL 149 #define EFI_MD_ATTR_WT 0x0000000000000004UL 150 #define EFI_MD_ATTR_WB 0x0000000000000008UL 151 #define EFI_MD_ATTR_UCE 0x0000000000000010UL 152 #define EFI_MD_ATTR_WP 0x0000000000001000UL 153 #define EFI_MD_ATTR_RP 0x0000000000002000UL 154 #define EFI_MD_ATTR_XP 0x0000000000004000UL 155 #define EFI_MD_ATTR_RT 0x8000000000000000UL 156 }; 157 158 struct efi_map_header { 159 uint64_t memory_size; 160 uint64_t descriptor_size; 161 uint32_t descriptor_version; 162 }; 163 164 #endif 165 166 static const char *conffile; 167 168 static int aflag, bflag, Bflag, dflag, eflag, hflag, iflag; 169 static int Nflag, nflag, oflag, qflag, tflag, Tflag, Wflag, xflag; 170 171 static int oidfmt(int *, int, char *, u_int *); 172 static int parsefile(const char *); 173 static int parse(const char *, int); 174 static int show_var(int *, int); 175 static int sysctl_all(int *oid, int len); 176 static int name2oid(const char *, int *); 177 178 static int strIKtoi(const char *, char **, const char *); 179 180 static int ctl_sign[CTLTYPE+1] = { 181 [CTLTYPE_INT] = 1, 182 [CTLTYPE_LONG] = 1, 183 [CTLTYPE_S8] = 1, 184 [CTLTYPE_S16] = 1, 185 [CTLTYPE_S32] = 1, 186 [CTLTYPE_S64] = 1, 187 }; 188 189 static int ctl_size[CTLTYPE+1] = { 190 [CTLTYPE_INT] = sizeof(int), 191 [CTLTYPE_UINT] = sizeof(u_int), 192 [CTLTYPE_LONG] = sizeof(long), 193 [CTLTYPE_ULONG] = sizeof(u_long), 194 [CTLTYPE_S8] = sizeof(int8_t), 195 [CTLTYPE_S16] = sizeof(int16_t), 196 [CTLTYPE_S32] = sizeof(int32_t), 197 [CTLTYPE_S64] = sizeof(int64_t), 198 [CTLTYPE_U8] = sizeof(uint8_t), 199 [CTLTYPE_U16] = sizeof(uint16_t), 200 [CTLTYPE_U32] = sizeof(uint32_t), 201 [CTLTYPE_U64] = sizeof(uint64_t), 202 }; 203 204 static const char *ctl_typename[CTLTYPE+1] = { 205 [CTLTYPE_INT] = "integer", 206 [CTLTYPE_UINT] = "unsigned integer", 207 [CTLTYPE_LONG] = "long integer", 208 [CTLTYPE_ULONG] = "unsigned long", 209 [CTLTYPE_U8] = "uint8_t", 210 [CTLTYPE_U16] = "uint16_t", 211 [CTLTYPE_U32] = "uint16_t", 212 [CTLTYPE_U64] = "uint64_t", 213 [CTLTYPE_S8] = "int8_t", 214 [CTLTYPE_S16] = "int16_t", 215 [CTLTYPE_S32] = "int32_t", 216 [CTLTYPE_S64] = "int64_t", 217 [CTLTYPE_NODE] = "node", 218 [CTLTYPE_STRING] = "string", 219 [CTLTYPE_OPAQUE] = "opaque", 220 }; 221 222 static void 223 usage(void) 224 { 225 226 #ifndef FSTACK 227 (void)fprintf(stderr, "%s\n%s\n", 228 "usage: sysctl [-bdehiNnoqTtWx] [ -B <bufsize> ] [-f filename] name[=value] ...", 229 " sysctl [-bdehNnoqTtWx] [ -B <bufsize> ] -a"); 230 #else 231 (void)fprintf(stderr, "%s\n%s\n", 232 "usage: sysctl -p <f-stack proc_id> [-bdehiNnoqTtWx] [ -B <bufsize> ] [-f filename] name[=value] ...", 233 " sysctl -p <f-stack proc_id> [-bdehNnoqTtWx] [ -B <bufsize> ] -a"); 234 #endif 235 exit(1); 236 } 237 238 int 239 main(int argc, char **argv) 240 { 241 int ch; 242 int warncount = 0; 243 244 #ifdef FSTACK 245 ff_ipc_init(); 246 #endif 247 248 setlocale(LC_NUMERIC, ""); 249 setbuf(stdout,0); 250 setbuf(stderr,0); 251 252 #ifndef FSTACK 253 while ((ch = getopt(argc, argv, "AabB:def:hiNnoqtTwWxX")) != -1) { 254 #else 255 while ((ch = getopt(argc, argv, "AabB:def:hiNnoqtTwWxXp:")) != -1) { 256 #endif 257 switch (ch) { 258 case 'A': 259 /* compatibility */ 260 aflag = oflag = 1; 261 break; 262 case 'a': 263 aflag = 1; 264 break; 265 case 'b': 266 bflag = 1; 267 break; 268 case 'B': 269 Bflag = strtol(optarg, NULL, 0); 270 break; 271 case 'd': 272 dflag = 1; 273 break; 274 case 'e': 275 eflag = 1; 276 break; 277 case 'f': 278 conffile = optarg; 279 break; 280 case 'h': 281 hflag = 1; 282 break; 283 case 'i': 284 iflag = 1; 285 break; 286 case 'N': 287 Nflag = 1; 288 break; 289 case 'n': 290 nflag = 1; 291 break; 292 case 'o': 293 oflag = 1; 294 break; 295 case 'q': 296 qflag = 1; 297 break; 298 case 't': 299 tflag = 1; 300 break; 301 case 'T': 302 Tflag = 1; 303 break; 304 case 'w': 305 /* compatibility */ 306 /* ignored */ 307 break; 308 case 'W': 309 Wflag = 1; 310 break; 311 case 'X': 312 /* compatibility */ 313 aflag = xflag = 1; 314 break; 315 case 'x': 316 xflag = 1; 317 break; 318 #ifdef FSTACK 319 case 'p': 320 ff_set_proc_id(atoi(optarg)); 321 break; 322 #endif 323 default: 324 usage(); 325 } 326 } 327 argc -= optind; 328 argv += optind; 329 330 if (Nflag && nflag) 331 usage(); 332 if (aflag && argc == 0) 333 exit(sysctl_all(0, 0)); 334 if (argc == 0 && conffile == NULL) 335 usage(); 336 337 warncount = 0; 338 if (conffile != NULL) 339 warncount += parsefile(conffile); 340 341 while (argc-- > 0) 342 warncount += parse(*argv++, 0); 343 344 return (warncount); 345 } 346 347 /* 348 * Parse a name into a MIB entry. 349 * Lookup and print out the MIB entry if it exists. 350 * Set a new value if requested. 351 */ 352 static int 353 parse(const char *string, int lineno) 354 { 355 int len, i, j; 356 const void *newval; 357 const char *newvalstr = NULL; 358 int8_t i8val; 359 uint8_t u8val; 360 int16_t i16val; 361 uint16_t u16val; 362 int32_t i32val; 363 uint32_t u32val; 364 int intval; 365 unsigned int uintval; 366 long longval; 367 unsigned long ulongval; 368 size_t newsize = Bflag; 369 int64_t i64val; 370 uint64_t u64val; 371 int mib[CTL_MAXNAME]; 372 char *cp, *bufp, buf[BUFSIZ], *endptr = NULL, fmt[BUFSIZ], line[BUFSIZ]; 373 u_int kind; 374 375 if (lineno) 376 snprintf(line, sizeof(line), " at line %d", lineno); 377 else 378 line[0] = '\0'; 379 380 cp = buf; 381 if (snprintf(buf, BUFSIZ, "%s", string) >= BUFSIZ) { 382 warnx("oid too long: '%s'%s", string, line); 383 return (1); 384 } 385 bufp = strsep(&cp, "=:"); 386 if (cp != NULL) { 387 /* Tflag just lists tunables, do not allow assignment */ 388 if (Tflag || Wflag) { 389 warnx("Can't set variables when using -T or -W"); 390 usage(); 391 } 392 while (isspace(*cp)) 393 cp++; 394 /* Strip a pair of " or ' if any. */ 395 switch (*cp) { 396 case '\"': 397 case '\'': 398 if (cp[strlen(cp) - 1] == *cp) 399 cp[strlen(cp) - 1] = '\0'; 400 cp++; 401 } 402 newvalstr = cp; 403 newsize = strlen(cp); 404 } 405 /* Trim spaces */ 406 cp = bufp + strlen(bufp) - 1; 407 while (cp >= bufp && isspace((int)*cp)) { 408 *cp = '\0'; 409 cp--; 410 } 411 len = name2oid(bufp, mib); 412 413 if (len < 0) { 414 if (iflag) 415 return (0); 416 if (qflag) 417 return (1); 418 else { 419 if (errno == ENOENT) { 420 warnx("unknown oid '%s'%s", bufp, line); 421 } else { 422 warn("unknown oid '%s'%s", bufp, line); 423 } 424 return (1); 425 } 426 } 427 428 if (oidfmt(mib, len, fmt, &kind)) { 429 warn("couldn't find format of oid '%s'%s", bufp, line); 430 if (iflag) 431 return (1); 432 else 433 exit(1); 434 } 435 436 if (newvalstr == NULL || dflag) { 437 if ((kind & CTLTYPE) == CTLTYPE_NODE) { 438 if (dflag) { 439 i = show_var(mib, len); 440 if (!i && !bflag) 441 putchar('\n'); 442 } 443 sysctl_all(mib, len); 444 } else { 445 i = show_var(mib, len); 446 if (!i && !bflag) 447 putchar('\n'); 448 } 449 } else { 450 if ((kind & CTLTYPE) == CTLTYPE_NODE) { 451 warnx("oid '%s' isn't a leaf node%s", bufp, line); 452 return (1); 453 } 454 455 if (!(kind & CTLFLAG_WR)) { 456 if (kind & CTLFLAG_TUN) { 457 warnx("oid '%s' is a read only tunable%s", bufp, line); 458 warnx("Tunable values are set in /boot/loader.conf"); 459 } else 460 warnx("oid '%s' is read only%s", bufp, line); 461 return (1); 462 } 463 464 switch (kind & CTLTYPE) { 465 case CTLTYPE_INT: 466 case CTLTYPE_UINT: 467 case CTLTYPE_LONG: 468 case CTLTYPE_ULONG: 469 case CTLTYPE_S8: 470 case CTLTYPE_S16: 471 case CTLTYPE_S32: 472 case CTLTYPE_S64: 473 case CTLTYPE_U8: 474 case CTLTYPE_U16: 475 case CTLTYPE_U32: 476 case CTLTYPE_U64: 477 if (strlen(newvalstr) == 0) { 478 warnx("empty numeric value"); 479 return (1); 480 } 481 /* FALLTHROUGH */ 482 case CTLTYPE_STRING: 483 break; 484 default: 485 warnx("oid '%s' is type %d," 486 " cannot set that%s", bufp, 487 kind & CTLTYPE, line); 488 return (1); 489 } 490 491 errno = 0; 492 493 switch (kind & CTLTYPE) { 494 case CTLTYPE_INT: 495 if (strncmp(fmt, "IK", 2) == 0) 496 intval = strIKtoi(newvalstr, &endptr, fmt); 497 else 498 intval = (int)strtol(newvalstr, &endptr, 499 0); 500 newval = &intval; 501 newsize = sizeof(intval); 502 break; 503 case CTLTYPE_UINT: 504 uintval = (int) strtoul(newvalstr, &endptr, 0); 505 newval = &uintval; 506 newsize = sizeof(uintval); 507 break; 508 case CTLTYPE_LONG: 509 longval = strtol(newvalstr, &endptr, 0); 510 newval = &longval; 511 newsize = sizeof(longval); 512 break; 513 case CTLTYPE_ULONG: 514 ulongval = strtoul(newvalstr, &endptr, 0); 515 newval = &ulongval; 516 newsize = sizeof(ulongval); 517 break; 518 case CTLTYPE_STRING: 519 newval = newvalstr; 520 break; 521 case CTLTYPE_S8: 522 i8val = (int8_t)strtol(newvalstr, &endptr, 0); 523 newval = &i8val; 524 newsize = sizeof(i8val); 525 break; 526 case CTLTYPE_S16: 527 i16val = (int16_t)strtol(newvalstr, &endptr, 528 0); 529 newval = &i16val; 530 newsize = sizeof(i16val); 531 break; 532 case CTLTYPE_S32: 533 i32val = (int32_t)strtol(newvalstr, &endptr, 534 0); 535 newval = &i32val; 536 newsize = sizeof(i32val); 537 break; 538 case CTLTYPE_S64: 539 i64val = strtoimax(newvalstr, &endptr, 0); 540 newval = &i64val; 541 newsize = sizeof(i64val); 542 break; 543 case CTLTYPE_U8: 544 u8val = (uint8_t)strtoul(newvalstr, &endptr, 0); 545 newval = &u8val; 546 newsize = sizeof(u8val); 547 break; 548 case CTLTYPE_U16: 549 u16val = (uint16_t)strtoul(newvalstr, &endptr, 550 0); 551 newval = &u16val; 552 newsize = sizeof(u16val); 553 break; 554 case CTLTYPE_U32: 555 u32val = (uint32_t)strtoul(newvalstr, &endptr, 556 0); 557 newval = &u32val; 558 newsize = sizeof(u32val); 559 break; 560 case CTLTYPE_U64: 561 u64val = strtoumax(newvalstr, &endptr, 0); 562 newval = &u64val; 563 newsize = sizeof(u64val); 564 break; 565 default: 566 /* NOTREACHED */ 567 abort(); 568 } 569 570 if (errno != 0 || endptr == newvalstr || 571 (endptr != NULL && *endptr != '\0')) { 572 warnx("invalid %s '%s'%s", ctl_typename[kind & CTLTYPE], 573 newvalstr, line); 574 return (1); 575 } 576 577 i = show_var(mib, len); 578 if (sysctl(mib, len, 0, 0, newval, newsize) == -1) { 579 if (!i && !bflag) 580 putchar('\n'); 581 switch (errno) { 582 case EOPNOTSUPP: 583 warnx("%s: value is not available%s", 584 string, line); 585 return (1); 586 case ENOTDIR: 587 warnx("%s: specification is incomplete%s", 588 string, line); 589 return (1); 590 case ENOMEM: 591 warnx("%s: type is unknown to this program%s", 592 string, line); 593 return (1); 594 default: 595 warn("%s%s", string, line); 596 return (1); 597 } 598 } 599 if (!bflag) 600 printf(" -> "); 601 i = nflag; 602 nflag = 1; 603 j = show_var(mib, len); 604 if (!j && !bflag) 605 putchar('\n'); 606 nflag = i; 607 } 608 609 return (0); 610 } 611 612 static int 613 parsefile(const char *filename) 614 { 615 FILE *file; 616 char line[BUFSIZ], *p, *pq, *pdq; 617 int warncount = 0, lineno = 0; 618 619 file = fopen(filename, "r"); 620 if (file == NULL) 621 err(EX_NOINPUT, "%s", filename); 622 while (fgets(line, sizeof(line), file) != NULL) { 623 lineno++; 624 p = line; 625 pq = strchr(line, '\''); 626 pdq = strchr(line, '\"'); 627 /* Replace the first # with \0. */ 628 while((p = strchr(p, '#')) != NULL) { 629 if (pq != NULL && p > pq) { 630 if ((p = strchr(pq+1, '\'')) != NULL) 631 *(++p) = '\0'; 632 break; 633 } else if (pdq != NULL && p > pdq) { 634 if ((p = strchr(pdq+1, '\"')) != NULL) 635 *(++p) = '\0'; 636 break; 637 } else if (p == line || *(p-1) != '\\') { 638 *p = '\0'; 639 break; 640 } 641 p++; 642 } 643 /* Trim spaces */ 644 p = line + strlen(line) - 1; 645 while (p >= line && isspace((int)*p)) { 646 *p = '\0'; 647 p--; 648 } 649 p = line; 650 while (isspace((int)*p)) 651 p++; 652 if (*p == '\0') 653 continue; 654 else 655 warncount += parse(p, lineno); 656 } 657 fclose(file); 658 659 return (warncount); 660 } 661 662 /* These functions will dump out various interesting structures. */ 663 664 static int 665 S_clockinfo(size_t l2, void *p) 666 { 667 struct clockinfo *ci = (struct clockinfo*)p; 668 669 if (l2 != sizeof(*ci)) { 670 warnx("S_clockinfo %zu != %zu", l2, sizeof(*ci)); 671 return (1); 672 } 673 printf(hflag ? "{ hz = %'d, tick = %'d, profhz = %'d, stathz = %'d }" : 674 "{ hz = %d, tick = %d, profhz = %d, stathz = %d }", 675 ci->hz, ci->tick, ci->profhz, ci->stathz); 676 return (0); 677 } 678 679 static int 680 S_loadavg(size_t l2, void *p) 681 { 682 struct loadavg *tv = (struct loadavg*)p; 683 684 if (l2 != sizeof(*tv)) { 685 warnx("S_loadavg %zu != %zu", l2, sizeof(*tv)); 686 return (1); 687 } 688 printf(hflag ? "{ %'.2f %'.2f %'.2f }" : "{ %.2f %.2f %.2f }", 689 (double)tv->ldavg[0]/(double)tv->fscale, 690 (double)tv->ldavg[1]/(double)tv->fscale, 691 (double)tv->ldavg[2]/(double)tv->fscale); 692 return (0); 693 } 694 695 static int 696 S_timeval(size_t l2, void *p) 697 { 698 struct timeval *tv = (struct timeval*)p; 699 time_t tv_sec; 700 char *p1, *p2; 701 702 if (l2 != sizeof(*tv)) { 703 warnx("S_timeval %zu != %zu", l2, sizeof(*tv)); 704 return (1); 705 } 706 printf(hflag ? "{ sec = %'jd, usec = %'ld } " : 707 "{ sec = %jd, usec = %ld } ", 708 (intmax_t)tv->tv_sec, tv->tv_usec); 709 tv_sec = tv->tv_sec; 710 p1 = strdup(ctime(&tv_sec)); 711 for (p2=p1; *p2 ; p2++) 712 if (*p2 == '\n') 713 *p2 = '\0'; 714 fputs(p1, stdout); 715 free(p1); 716 return (0); 717 } 718 719 static int 720 S_vmtotal(size_t l2, void *p) 721 { 722 struct vmtotal *v = (struct vmtotal *)p; 723 int pageKilo = getpagesize() / 1024; 724 725 if (l2 != sizeof(*v)) { 726 warnx("S_vmtotal %zu != %zu", l2, sizeof(*v)); 727 return (1); 728 } 729 730 printf( 731 "\nSystem wide totals computed every five seconds:" 732 " (values in kilobytes)\n"); 733 printf("===============================================\n"); 734 printf( 735 "Processes:\t\t(RUNQ: %hd Disk Wait: %hd Page Wait: " 736 "%hd Sleep: %hd)\n", 737 v->t_rq, v->t_dw, v->t_pw, v->t_sl); 738 printf( 739 "Virtual Memory:\t\t(Total: %jdK Active: %jdK)\n", 740 (intmax_t)v->t_vm * pageKilo, (intmax_t)v->t_avm * pageKilo); 741 printf("Real Memory:\t\t(Total: %jdK Active: %jdK)\n", 742 (intmax_t)v->t_rm * pageKilo, (intmax_t)v->t_arm * pageKilo); 743 printf("Shared Virtual Memory:\t(Total: %jdK Active: %jdK)\n", 744 (intmax_t)v->t_vmshr * pageKilo, (intmax_t)v->t_avmshr * pageKilo); 745 printf("Shared Real Memory:\t(Total: %jdK Active: %jdK)\n", 746 (intmax_t)v->t_rmshr * pageKilo, (intmax_t)v->t_armshr * pageKilo); 747 printf("Free Memory:\t%jdK", (intmax_t)v->t_free * pageKilo); 748 749 return (0); 750 } 751 752 #ifdef __amd64__ 753 #define efi_next_descriptor(ptr, size) \ 754 ((struct efi_md *)(((uint8_t *) ptr) + size)) 755 756 static int 757 S_efi_map(size_t l2, void *p) 758 { 759 struct efi_map_header *efihdr; 760 struct efi_md *map; 761 const char *type; 762 size_t efisz; 763 int ndesc, i; 764 765 static const char *types[] = { 766 "Reserved", 767 "LoaderCode", 768 "LoaderData", 769 "BootServicesCode", 770 "BootServicesData", 771 "RuntimeServicesCode", 772 "RuntimeServicesData", 773 "ConventionalMemory", 774 "UnusableMemory", 775 "ACPIReclaimMemory", 776 "ACPIMemoryNVS", 777 "MemoryMappedIO", 778 "MemoryMappedIOPortSpace", 779 "PalCode" 780 }; 781 782 /* 783 * Memory map data provided by UEFI via the GetMemoryMap 784 * Boot Services API. 785 */ 786 if (l2 < sizeof(*efihdr)) { 787 warnx("S_efi_map length less than header"); 788 return (1); 789 } 790 efihdr = p; 791 efisz = (sizeof(struct efi_map_header) + 0xf) & ~0xf; 792 map = (struct efi_md *)((uint8_t *)efihdr + efisz); 793 794 if (efihdr->descriptor_size == 0) 795 return (0); 796 if (l2 != efisz + efihdr->memory_size) { 797 warnx("S_efi_map length mismatch %zu vs %zu", l2, efisz + 798 efihdr->memory_size); 799 return (1); 800 } 801 ndesc = efihdr->memory_size / efihdr->descriptor_size; 802 803 printf("\n%23s %12s %12s %8s %4s", 804 "Type", "Physical", "Virtual", "#Pages", "Attr"); 805 806 for (i = 0; i < ndesc; i++, 807 map = efi_next_descriptor(map, efihdr->descriptor_size)) { 808 if (map->md_type <= EFI_MD_TYPE_PALCODE) 809 type = types[map->md_type]; 810 else 811 type = "<INVALID>"; 812 printf("\n%23s %012lx %12p %08lx ", type, map->md_phys, 813 map->md_virt, map->md_pages); 814 if (map->md_attr & EFI_MD_ATTR_UC) 815 printf("UC "); 816 if (map->md_attr & EFI_MD_ATTR_WC) 817 printf("WC "); 818 if (map->md_attr & EFI_MD_ATTR_WT) 819 printf("WT "); 820 if (map->md_attr & EFI_MD_ATTR_WB) 821 printf("WB "); 822 if (map->md_attr & EFI_MD_ATTR_UCE) 823 printf("UCE "); 824 if (map->md_attr & EFI_MD_ATTR_WP) 825 printf("WP "); 826 if (map->md_attr & EFI_MD_ATTR_RP) 827 printf("RP "); 828 if (map->md_attr & EFI_MD_ATTR_XP) 829 printf("XP "); 830 if (map->md_attr & EFI_MD_ATTR_RT) 831 printf("RUNTIME"); 832 } 833 return (0); 834 } 835 #endif 836 837 #if defined(__amd64__) || defined(__i386__) 838 static int 839 S_bios_smap_xattr(size_t l2, void *p) 840 { 841 struct bios_smap_xattr *smap, *end; 842 843 if (l2 % sizeof(*smap) != 0) { 844 warnx("S_bios_smap_xattr %zu is not a multiple of %zu", l2, 845 sizeof(*smap)); 846 return (1); 847 } 848 849 end = (struct bios_smap_xattr *)((char *)p + l2); 850 for (smap = p; smap < end; smap++) 851 printf("\nSMAP type=%02x, xattr=%02x, base=%016jx, len=%016jx", 852 smap->type, smap->xattr, (uintmax_t)smap->base, 853 (uintmax_t)smap->length); 854 return (0); 855 } 856 #endif 857 858 static int 859 strIKtoi(const char *str, char **endptrp, const char *fmt) 860 { 861 int kelv; 862 float temp; 863 size_t len; 864 const char *p; 865 int prec, i; 866 867 assert(errno == 0); 868 869 len = strlen(str); 870 /* caller already checked this */ 871 assert(len > 0); 872 873 /* 874 * A format of "IK" is in deciKelvin. A format of "IK3" is in 875 * milliKelvin. The single digit following IK is log10 of the 876 * multiplying factor to convert Kelvin into the untis of this sysctl, 877 * or the dividing factor to convert the sysctl value to Kelvin. Numbers 878 * larger than 6 will run into precision issues with 32-bit integers. 879 * Characters that aren't ASCII digits after the 'K' are ignored. No 880 * localization is present because this is an interface from the kernel 881 * to this program (eg not an end-user interface), so isdigit() isn't 882 * used here. 883 */ 884 if (fmt[2] != '\0' && fmt[2] >= '0' && fmt[2] <= '9') 885 prec = fmt[2] - '0'; 886 else 887 prec = 1; 888 p = &str[len - 1]; 889 if (*p == 'C' || *p == 'F' || *p == 'K') { 890 temp = strtof(str, endptrp); 891 if (*endptrp != str && *endptrp == p && errno == 0) { 892 if (*p == 'F') 893 temp = (temp - 32) * 5 / 9; 894 *endptrp = NULL; 895 if (*p != 'K') 896 temp += 273.15; 897 for (i = 0; i < prec; i++) 898 temp *= 10.0; 899 return ((int)(temp + 0.5)); 900 } 901 } else { 902 /* No unit specified -> treat it as a raw number */ 903 kelv = (int)strtol(str, endptrp, 10); 904 if (*endptrp != str && *endptrp == p && errno == 0) { 905 *endptrp = NULL; 906 return (kelv); 907 } 908 } 909 910 errno = ERANGE; 911 return (0); 912 } 913 914 /* 915 * These functions uses a presently undocumented interface to the kernel 916 * to walk the tree and get the type so it can print the value. 917 * This interface is under work and consideration, and should probably 918 * be killed with a big axe by the first person who can find the time. 919 * (be aware though, that the proper interface isn't as obvious as it 920 * may seem, there are various conflicting requirements. 921 */ 922 923 static int 924 name2oid(const char *name, int *oidp) 925 { 926 int oid[2]; 927 int i; 928 size_t j; 929 930 oid[0] = 0; 931 oid[1] = 3; 932 933 j = CTL_MAXNAME * sizeof(int); 934 i = sysctl(oid, 2, oidp, &j, name, strlen(name)); 935 if (i < 0) 936 return (i); 937 j /= sizeof(int); 938 return (j); 939 } 940 941 static int 942 oidfmt(int *oid, int len, char *fmt, u_int *kind) 943 { 944 int qoid[CTL_MAXNAME+2]; 945 u_char buf[BUFSIZ]; 946 int i; 947 size_t j; 948 949 qoid[0] = 0; 950 qoid[1] = 4; 951 memcpy(qoid + 2, oid, len * sizeof(int)); 952 953 j = sizeof(buf); 954 i = sysctl(qoid, len + 2, buf, &j, 0, 0); 955 if (i) 956 err(1, "sysctl fmt %d %zu %d", i, j, errno); 957 958 if (kind) 959 *kind = *(u_int *)buf; 960 961 if (fmt) 962 strcpy(fmt, (char *)(buf + sizeof(u_int))); 963 return (0); 964 } 965 966 /* 967 * This formats and outputs the value of one variable 968 * 969 * Returns zero if anything was actually output. 970 * Returns one if didn't know what to do with this. 971 * Return minus one if we had errors. 972 */ 973 static int 974 show_var(int *oid, int nlen) 975 { 976 u_char buf[BUFSIZ], *val, *oval, *p; 977 char name[BUFSIZ], fmt[BUFSIZ]; 978 const char *sep, *sep1, *prntype; 979 int qoid[CTL_MAXNAME+2]; 980 uintmax_t umv; 981 intmax_t mv; 982 int i, hexlen, sign, ctltype; 983 size_t intlen; 984 size_t j, len; 985 u_int kind; 986 float base; 987 int (*func)(size_t, void *); 988 int prec; 989 990 /* Silence GCC. */ 991 umv = mv = intlen = 0; 992 993 bzero(buf, BUFSIZ); 994 bzero(fmt, BUFSIZ); 995 bzero(name, BUFSIZ); 996 qoid[0] = 0; 997 memcpy(qoid + 2, oid, nlen * sizeof(int)); 998 999 qoid[1] = 1; 1000 j = sizeof(name); 1001 i = sysctl(qoid, nlen + 2, name, &j, 0, 0); 1002 if (i || !j) 1003 err(1, "sysctl name %d %zu %d", i, j, errno); 1004 1005 oidfmt(oid, nlen, fmt, &kind); 1006 /* if Wflag then only list sysctls that are writeable and not stats. */ 1007 if (Wflag && ((kind & CTLFLAG_WR) == 0 || (kind & CTLFLAG_STATS) != 0)) 1008 return 1; 1009 1010 /* if Tflag then only list sysctls that are tuneables. */ 1011 if (Tflag && (kind & CTLFLAG_TUN) == 0) 1012 return 1; 1013 1014 if (Nflag) { 1015 printf("%s", name); 1016 return (0); 1017 } 1018 1019 if (eflag) 1020 sep = "="; 1021 else 1022 sep = ": "; 1023 1024 ctltype = (kind & CTLTYPE); 1025 if (tflag || dflag) { 1026 if (!nflag) 1027 printf("%s%s", name, sep); 1028 if (ctl_typename[ctltype] != NULL) 1029 prntype = ctl_typename[ctltype]; 1030 else 1031 prntype = "unknown"; 1032 if (tflag && dflag) 1033 printf("%s%s", prntype, sep); 1034 else if (tflag) { 1035 printf("%s", prntype); 1036 return (0); 1037 } 1038 qoid[1] = 5; 1039 j = sizeof(buf); 1040 i = sysctl(qoid, nlen + 2, buf, &j, 0, 0); 1041 printf("%s", buf); 1042 return (0); 1043 } 1044 /* find an estimate of how much we need for this var */ 1045 if (Bflag) 1046 j = Bflag; 1047 else { 1048 j = 0; 1049 i = sysctl(oid, nlen, 0, &j, 0, 0); 1050 j += j; /* we want to be sure :-) */ 1051 } 1052 1053 val = oval = malloc(j + 1); 1054 if (val == NULL) { 1055 warnx("malloc failed"); 1056 return (1); 1057 } 1058 len = j; 1059 i = sysctl(oid, nlen, val, &len, 0, 0); 1060 if (i != 0 || (len == 0 && ctltype != CTLTYPE_STRING)) { 1061 free(oval); 1062 return (1); 1063 } 1064 1065 if (bflag) { 1066 fwrite(val, 1, len, stdout); 1067 free(oval); 1068 return (0); 1069 } 1070 val[len] = '\0'; 1071 p = val; 1072 sign = ctl_sign[ctltype]; 1073 intlen = ctl_size[ctltype]; 1074 1075 switch (ctltype) { 1076 case CTLTYPE_STRING: 1077 if (!nflag) 1078 printf("%s%s", name, sep); 1079 printf("%.*s", (int)len, p); 1080 free(oval); 1081 return (0); 1082 1083 case CTLTYPE_INT: 1084 case CTLTYPE_UINT: 1085 case CTLTYPE_LONG: 1086 case CTLTYPE_ULONG: 1087 case CTLTYPE_S8: 1088 case CTLTYPE_S16: 1089 case CTLTYPE_S32: 1090 case CTLTYPE_S64: 1091 case CTLTYPE_U8: 1092 case CTLTYPE_U16: 1093 case CTLTYPE_U32: 1094 case CTLTYPE_U64: 1095 if (!nflag) 1096 printf("%s%s", name, sep); 1097 hexlen = 2 + (intlen * CHAR_BIT + 3) / 4; 1098 sep1 = ""; 1099 while (len >= intlen) { 1100 switch (kind & CTLTYPE) { 1101 case CTLTYPE_INT: 1102 case CTLTYPE_UINT: 1103 umv = *(u_int *)p; 1104 mv = *(int *)p; 1105 break; 1106 case CTLTYPE_LONG: 1107 case CTLTYPE_ULONG: 1108 umv = *(u_long *)p; 1109 mv = *(long *)p; 1110 break; 1111 case CTLTYPE_S8: 1112 case CTLTYPE_U8: 1113 umv = *(uint8_t *)p; 1114 mv = *(int8_t *)p; 1115 break; 1116 case CTLTYPE_S16: 1117 case CTLTYPE_U16: 1118 umv = *(uint16_t *)p; 1119 mv = *(int16_t *)p; 1120 break; 1121 case CTLTYPE_S32: 1122 case CTLTYPE_U32: 1123 umv = *(uint32_t *)p; 1124 mv = *(int32_t *)p; 1125 break; 1126 case CTLTYPE_S64: 1127 case CTLTYPE_U64: 1128 umv = *(uint64_t *)p; 1129 mv = *(int64_t *)p; 1130 break; 1131 } 1132 fputs(sep1, stdout); 1133 if (xflag) 1134 printf("%#0*jx", hexlen, umv); 1135 else if (!sign) 1136 printf(hflag ? "%'ju" : "%ju", umv); 1137 else if (fmt[1] == 'K') { 1138 if (mv < 0) 1139 printf("%jd", mv); 1140 else { 1141 /* 1142 * See strIKtoi for details on fmt. 1143 */ 1144 prec = 1; 1145 if (fmt[2] != '\0') 1146 prec = fmt[2] - '0'; 1147 base = 1.0; 1148 for (int i = 0; i < prec; i++) 1149 base *= 10.0; 1150 printf("%.*fC", prec, 1151 (float)mv / base - 273.15); 1152 } 1153 } else 1154 printf(hflag ? "%'jd" : "%jd", mv); 1155 sep1 = " "; 1156 len -= intlen; 1157 p += intlen; 1158 } 1159 free(oval); 1160 return (0); 1161 1162 case CTLTYPE_OPAQUE: 1163 i = 0; 1164 if (strcmp(fmt, "S,clockinfo") == 0) 1165 func = S_clockinfo; 1166 else if (strcmp(fmt, "S,timeval") == 0) 1167 func = S_timeval; 1168 else if (strcmp(fmt, "S,loadavg") == 0) 1169 func = S_loadavg; 1170 else if (strcmp(fmt, "S,vmtotal") == 0) 1171 func = S_vmtotal; 1172 #ifdef __amd64__ 1173 else if (strcmp(fmt, "S,efi_map_header") == 0) 1174 func = S_efi_map; 1175 #endif 1176 #if defined(__amd64__) || defined(__i386__) 1177 else if (strcmp(fmt, "S,bios_smap_xattr") == 0) 1178 func = S_bios_smap_xattr; 1179 #endif 1180 else 1181 func = NULL; 1182 if (func) { 1183 if (!nflag) 1184 printf("%s%s", name, sep); 1185 i = (*func)(len, p); 1186 free(oval); 1187 return (i); 1188 } 1189 /* FALLTHROUGH */ 1190 default: 1191 if (!oflag && !xflag) { 1192 free(oval); 1193 return (1); 1194 } 1195 if (!nflag) 1196 printf("%s%s", name, sep); 1197 printf("Format:%s Length:%zu Dump:0x", fmt, len); 1198 while (len-- && (xflag || p < val + 16)) 1199 printf("%02x", *p++); 1200 if (!xflag && len > 16) 1201 printf("..."); 1202 free(oval); 1203 return (0); 1204 } 1205 free(oval); 1206 return (1); 1207 } 1208 1209 static int 1210 sysctl_all(int *oid, int len) 1211 { 1212 int name1[22], name2[22]; 1213 int i, j; 1214 size_t l1, l2; 1215 1216 name1[0] = 0; 1217 name1[1] = 2; 1218 l1 = 2; 1219 if (len) { 1220 memcpy(name1+2, oid, len * sizeof(int)); 1221 l1 += len; 1222 } else { 1223 name1[2] = 1; 1224 l1++; 1225 } 1226 for (;;) { 1227 l2 = sizeof(name2); 1228 j = sysctl(name1, l1, name2, &l2, 0, 0); 1229 if (j < 0) { 1230 if (errno == ENOENT) 1231 return (0); 1232 else 1233 err(1, "sysctl(getnext) %d %zu", j, l2); 1234 } 1235 1236 l2 /= sizeof(int); 1237 1238 if (len < 0 || l2 < (unsigned int)len) 1239 return (0); 1240 1241 for (i = 0; i < len; i++) 1242 if (name2[i] != oid[i]) 1243 return (0); 1244 1245 i = show_var(name2, l2); 1246 if (!i && !bflag) 1247 putchar('\n'); 1248 1249 memcpy(name1+2, name2, l2 * sizeof(int)); 1250 l1 = 2 + l2; 1251 } 1252 } 1253